1                Cluster Healthy Check
ocrcheck
ocrconfig -showbackup
crsctl query css votedisk
crs_stat
2                DB Healthy Check
alert.log
select * from v$recover_file;
3                Tablespace Check
set serverout on
exec sp_freespace(80);
4                ASM Related Check
asmcmd>lsdg
5                Backup Related Check
Previous day backup log
7                OS session related check
df -k
8                Security Related Check
illegal acceess
9                Invalid Object Related Check
10                Performance Related Check
主要是AWR
11                Hang session and Block Session Check
12                Time Sync Check
14                Object count check
15                ASSM Table shrink Related
find the most fraged table, shrink in suitable time

不过现在主要靠shell，每天看看shell结果，上grid control看看有没有异常就完事了